A quantum well is a potential well wherein the energy spectrum of charge carriers is discrete. As opposed to a bulk region, wherein the carriers are free to move in three spatial directions, their motion is free only in two (planar) directions in a quantum well.
A quantum well is a potential well wherein the energy spectrum of charge carriers is discrete. As opposed to a bulk region, wherein the carriers are free to move in three spatial directions, their motion is free only in two (planar) directions in a quantum well.
Source: Wikipedia "Quantum well" · CC BY-SA 4.0
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